Rack for baseball caps



FIG. 1 is a front elevational view of a rack for baseball caps showing my new design;

FIG. 2 is a rear elevational view thereof;

FIG. 3 is a left elevational view thereof, the right side being a mirror image thereof;

FIG. 4 is a top plan view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a rack for baseball caps, as shown and described. 